The First Unit of a Product Took 1,000 Hours to Build

question 93

Multiple Choice

The first unit of a product took 1,000 hours to build and the learning curve is 85%. How long will it take to make the first 5 units? (Use Table E.3 in the text.)

• A) less than 4,005 hours
• B) from 4,005 to 4,015 hours
• C) from 4,015 to 4,025 hours
• D) from 4,025 to 4,035 hours
• E) from 4,035 to 4,045 hours

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Definitions:

Selectively Permeable

Describes membranes that allow certain substances to pass through while blocking others, crucial for cell function and homeostasis.

Plasma Membrane

The plasma membrane is a biological membrane that separates the interior of all cells from the outside environment, controlling the passage of substances.

Symport

A type of transporter protein that moves two or more substances in the same direction across a cell membrane.

Antiport

A mechanism of membrane transport where two substances are moved in opposite directions across a cell membrane, usually by a protein transporter.